import React, { Component } from 'react'
import Header from './components/Header'
import Content from './components/Content'
import "./assets/styles/app.css"

/**
 * 组件名字首字母一定要大写.
 * 定义一个类,继承Component,当前这个类变成组件
 * Component:官方标准的组件
 */
export default class App extends Component {
  render() {
    return (
      <div>
        <Header></Header>
        <Content></Content>
      </div>

    )
  }
}

